Home / 51,043.71-76,559.48-13,606.59

Finding the Fourth Proportional to 51,043.71, 76,559.48 and 13,606.59

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Solution

The fourth proportional to 51,043.71, 76,559.48 and 13,606.59 is: 20,408.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,043.71 : 76,559.48 = 13,606.59 : x
  2. Step 2: Convert to fraction form
    51,043.71/76,559.48 = 13,606.59/x
  3. Step 3: Cross multiply
    51,043.71x = 76,559.48 × 13,606.59
  4. Step 4: Simplify right side
    51,043.71x = 1,041,713,454.97
  5. Step 5: Solve for x
    x = 1,041,713,454.97/51,043.71
  6. Step 6: Final answer
    x = 20,408.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.